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Posted to notifications@apisix.apache.org by "wjchan89 (via GitHub)" <gi...@apache.org> on 2025/06/17 09:34:06 UTC

[I] bug: multi-cluster mode Kubernetes service discovery is not working [apisix]

wjchan89 opened a new issue, #12341:
URL: https://github.com/apache/apisix/issues/12341

   ### Current Behavior
   
   **Single-Cluster Mode is OK**
   
   discovery:
     kubernetes:
     - id: aaa
       client:
         token: xxx
       service:
         schema: https
         port: '6443'
         host: 192.168.30.99
   
   
   curl http://127.0.0.1:9080/apisix/admin/routes/testaaa \
   -H 'X-API-KEY: xxx' -X PUT -d '
   {
       "methods": ["GET"],
       "uri": "/testaaa",
       "upstream": {
           "discovery_type": "kubernetes",
           "service_name": "aaa/namespace/appa:tcp26160"
       }
   }'
   
   curl http://localhost:9081/testaaa
   {"timestamp":"2025-06-17T09:06:13.478+00:00","status":404,"error":"Not Found","message":"","path":"/testaaa"}
   
   
   
   **Multi-Cluster Mode is not working**
   
   discovery:
     kubernetes:
     - id: aaa
       client:
         token: xxx
       service:
         schema: https
         port: '6443'
         host: 192.168.30.99
     - id: bbb
       client:
         token: xxx
       service:
         schema: https
         port: '6443'
         host: 192.168.30.89
   
   
   curl http://127.0.0.1:9080/apisix/admin/routes/testaaa \
   -H 'X-API-KEY: xxx' -X PUT -d '
   {
       "methods": ["GET"],
       "uri": "/testaaa",
       "upstream": {
           "discovery_type": "kubernetes",
           "service_name": "aaa/namespace/appa:tcp26160"
       }
   }'
   
   
   curl http://localhost:9081/testaaa -i
   HTTP/1.1 503 Service Temporarily Unavailable
   Date: Tue, 17 Jun 2025 09:10:30 GMT
   Content-Type: text/html; charset=utf-8
   Content-Length: 225
   Connection: keep-alive
   Server: APISIX/3.2.2
   
   <html>
   <head><title>503 Service Temporarily Unavailable</title></head>
   <body>
   <center><h1>503 Service Temporarily Unavailable</h1></center>
   <hr><center>openresty</center>
   <p><em>Powered by APISIX.</em></p></body>
   </html>
   
   
   error log:
   2025/06/17 17:10:30 [error] 103307#103307: *2653 [lua] init.lua:493: handle_upstream(): failed to set upstream: no valid upstream node: nil, client: ::1, server: _, request: "GET /testaaa HTTP/1.1", host: "localhost:9081"
   
   ### Expected Behavior
   
   how to config in Multi-Cluster Mode?
   
   ### Error Logs
   
   2025/06/17 17:10:30 [error] 103307#103307: *2653 [lua] init.lua:493: handle_upstream(): failed to set upstream: no valid upstream node: nil, client: ::1, server: _, request: "GET /testaaa HTTP/1.1", host: "localhost:9081"
   
   ### Steps to Reproduce
   
   1. config config.yaml
   2. restart apisix
   3. config route and sent request
   
   ### Environment
   
   - APISIX version (run `apisix version`):3.2
   - Operating system (run `uname -a`):
   - OpenResty / Nginx version (run `openresty -V` or `nginx -V`):
   - etcd version, if relevant (run `curl http://127.0.0.1:9090/v1/server_info`):
   - APISIX Dashboard version, if relevant:
   - Plugin runner version, for issues related to plugin runners:
   - LuaRocks version, for installation issues (run `luarocks --version`):
   


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